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//usr/share/doc/bash-3.2/scripts.noah/aref.bash
# aref.bash --- pseudo-array manipulating routines # Author: Noah Friedman <friedman@prep.ai.mit.edu> # Created 1992-07-01 # Last modified: 1993-02-03 # Public domain # Conversion to bash v2 syntax done by Chet Ramey # Commentary: # Code: #:docstring aref: # Usage: aref NAME INDEX # # In array NAME, access element INDEX (0-origin) #:end docstring: ###;;;autoload function aref () { local name="$1" local index="$2" set -- ${!name} [ $index -ge 1 ] && shift $index echo $1 } #:docstring string_aref: # Usage: aref STRING INDEX # # Echo the INDEXth character in STRING (0-origin) on stdout. #:end docstring: ###;;;autoload function string_aref () { local stuff=${1:$2} echo ${stuff:0:1} } provide aref # aref.bash ends here